Mercurial > hg > orthanc-stone
view Framework/Viewport/WidgetViewport.cpp @ 480:2f6ecb5037ea am-touch-events
added mouse tracker for Layer Mask. Everything seems ok
author | am@osimis.io |
---|---|
date | Thu, 14 Feb 2019 10:18:02 +0100 |
parents | 3b4df9925db6 |
children | 1201b12eb9f8 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "WidgetViewport.h" #include <Core/Images/ImageProcessing.h> #include <Core/OrthancException.h> namespace OrthancStone { WidgetViewport::WidgetViewport(MessageBroker& broker) : IViewport(broker), statusBar_(NULL), isMouseOver_(false), lastMouseX_(0), lastMouseY_(0), backgroundChanged_(false) { } void WidgetViewport::FitContent() { if (centralWidget_.get() != NULL) { centralWidget_->FitContent(); } } void WidgetViewport::SetStatusBar(IStatusBar& statusBar) { statusBar_ = &statusBar; if (centralWidget_.get() != NULL) { centralWidget_->SetStatusBar(statusBar); } } IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) { if (widget == NULL) { throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); } mouseTracker_.reset(NULL); centralWidget_.reset(widget); centralWidget_->SetViewport(*this); if (statusBar_ != NULL) { centralWidget_->SetStatusBar(*statusBar_); } NotifyBackgroundChanged(); return *widget; } void WidgetViewport::NotifyBackgroundChanged() { backgroundChanged_ = true; NotifyContentChanged(); } void WidgetViewport::SetSize(unsigned int width, unsigned int height) { background_.SetSize(width, height); if (centralWidget_.get() != NULL) { centralWidget_->SetSize(width, height); } NotifyBackgroundChanged(); } bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) { if (centralWidget_.get() == NULL) { return false; } Orthanc::ImageAccessor background; background_.GetWriteableAccessor(background); if (backgroundChanged_ && !centralWidget_->Render(background)) { return false; } if (background.GetWidth() != surface.GetWidth() || background.GetHeight() != surface.GetHeight()) { return false; } Orthanc::ImageProcessing::Convert(surface, background); if (mouseTracker_.get() != NULL) { mouseTracker_->Render(surface); } else if (isMouseOver_) { centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); } return true; } void WidgetViewport::TouchStart(const std::vector<Touch>& displayTouches) { MouseDown(MouseButton_Left, (int)displayTouches[0].x, (int)displayTouches[0].y, KeyboardModifiers_None, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates } void WidgetViewport::TouchMove(const std::vector<Touch>& displayTouches) { MouseMove((int)displayTouches[0].x, (int)displayTouches[0].y, displayTouches); // one touch is equivalent to a mouse tracker without left button -> set the mouse coordinates to the first touch coordinates } void WidgetViewport::TouchEnd(const std::vector<Touch>& displayTouches) { // note: TouchEnd is not triggered when a single touch gesture ends (it is only triggered when // going from 2 touches to 1 touch, ...) MouseUp(); } void WidgetViewport::MouseDown(MouseButton button, int x, int y, KeyboardModifiers modifiers, const std::vector<Touch>& displayTouches ) { lastMouseX_ = x; lastMouseY_ = y; if (centralWidget_.get() != NULL) { mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers, displayTouches)); } else { mouseTracker_.reset(NULL); } NotifyContentChanged(); } void WidgetViewport::MouseUp() { if (mouseTracker_.get() != NULL) { mouseTracker_->MouseUp(); mouseTracker_.reset(NULL); NotifyContentChanged(); } } void WidgetViewport::MouseMove(int x, int y, const std::vector<Touch>& displayTouches) { if (centralWidget_.get() == NULL) { return; } lastMouseX_ = x; lastMouseY_ = y; bool repaint = false; if (mouseTracker_.get() != NULL) { mouseTracker_->MouseMove(x, y, displayTouches); repaint = true; } else { repaint = centralWidget_->HasRenderMouseOver(); } if (repaint) { // The scene must be repainted, notify the observers NotifyContentChanged(); } } void WidgetViewport::MouseEnter() { isMouseOver_ = true; NotifyContentChanged(); } void WidgetViewport::MouseLeave() { isMouseOver_ = false; if (mouseTracker_.get() != NULL) { mouseTracker_->MouseUp(); mouseTracker_.reset(NULL); } NotifyContentChanged(); } void WidgetViewport::MouseWheel(MouseWheelDirection direction, int x, int y, KeyboardModifiers modifiers) { if (centralWidget_.get() != NULL && mouseTracker_.get() == NULL) { centralWidget_->MouseWheel(direction, x, y, modifiers); } } void WidgetViewport::KeyPressed(KeyboardKeys key, char keyChar, KeyboardModifiers modifiers) { if (centralWidget_.get() != NULL && mouseTracker_.get() == NULL) { centralWidget_->KeyPressed(key, keyChar, modifiers); } } bool WidgetViewport::HasAnimation() { if (centralWidget_.get() != NULL) { return centralWidget_->HasAnimation(); } else { return false; } } void WidgetViewport::DoAnimation() { if (centralWidget_.get() != NULL) { centralWidget_->DoAnimation(); } } }